Supervisory Switch

Supervisory Switch

Description
  • Used to detect tampering or setting changes on control valves, by monitoring open/closed positions
  • Durable metal enclosure with single-side entry for conduit
  • Adjustable actuator length
  • Two S.P.D.T. synchronized switches
Model 9390:
Supervisory switch, for O.S. & Y and pressure regulating vavles with pre-installed bracket
Contact Guardian for current approvals.